mirror of
https://github.com/Rain-kl/OpenFlare.git
synced 2026-09-30 06:16:37 +08:00
ryan
69 lines
1.6 KiB
Go
69 lines
1.6 KiB
Go
// Copyright 2025 linux.do
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// Copyright 2026 Arctel.net
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// SPDX-License-Identifier: Apache-2.0
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// Package db 提供数据库连接与基础设施
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package db
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import (
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"context"
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"log"
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"time"
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"github.com/ClickHouse/clickhouse-go/v2"
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"github.com/ClickHouse/clickhouse-go/v2/lib/driver"
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"github.com/Rain-kl/Wavelet/internal/config"
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)
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const (
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clickhouseMaxExecTime = 60 // ClickHouse 最大执行时间（秒）
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clickhouseReadTimeoutFactor = 2 // ReadTimeout 为 DialTimeout 的倍数
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)
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var (
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// ChConn ClickHouse 连接实例
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ChConn driver.Conn
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)
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func init() {
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if !config.Config.ClickHouse.Enabled {
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return
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}
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cfg := config.Config.ClickHouse
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var err error
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// 配置 ClickHouse 连接
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ChConn, err = clickhouse.Open(&clickhouse.Options{
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Addr: cfg.Hosts,
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Auth: clickhouse.Auth{
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Database: cfg.Database,
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Username: cfg.Username,
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Password: cfg.Password,
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},
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Settings: clickhouse.Settings{
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"max_execution_time": clickhouseMaxExecTime,
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},
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Compression: &clickhouse.Compression{
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Method: clickhouse.CompressionLZ4,
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},
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DialTimeout: time.Duration(cfg.DialTimeout) * time.Second,
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MaxOpenConns: cfg.MaxOpenConn,
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MaxIdleConns: cfg.MaxIdleConn,
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ConnMaxLifetime: time.Duration(cfg.ConnMaxLifetime) * time.Second,
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ReadTimeout: time.Duration(cfg.DialTimeout*clickhouseReadTimeoutFactor) * time.Second,
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BlockBufferSize: cfg.BlockBufferSize,
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})
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if err != nil {
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log.Fatalf("[ClickHouse] init connection failed: %v\n", err)
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}
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// 测试连接
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if err = ChConn.Ping(context.Background()); err != nil {
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log.Fatalf("[ClickHouse] ping failed: %v\n", err)
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}
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log.Println("[ClickHouse] connection established successfully")
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}
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